Chemistry Which one of the following has greatest mass ? Hydrogen nucleus Electron Neutron Proton Hydrogen nucleus Electron Neutron Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Elements Polymers Salts Hydrocarbons Elements Polymers Salts Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NO2 SO2 NH3 H2 S NO2 SO2 NH3 H2 S ANSWER DOWNLOAD EXAMIANS APP
Chemistry In an oxygen molecule, two atoms are united by One bond Two bonds Three bonds Four bonds One bond Two bonds Three bonds Four bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Sulphurdioxide Nitrogen Carbondioxide Oxygen Sulphurdioxide Nitrogen Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Lead Polyclinic hydrocarbons Carbon monoxide Oxides of nitrogen Lead Polyclinic hydrocarbons Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
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